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November 5, 2024

Langfuse is the #1 Open Source LLMOps Product

We have grown from a few core users within Y Combinator to thousands of teams in startups, tech companies, and enterprises. This article includes a summary of metrics that help compare different projects.

Picture Marc Klingen
Picture Clemens Rawert
Picture Max Deichmann

We have collected different metrics and are excited to share that Langfuse is the most used Open Source LLMOps product out there.

Langfuse offers developers a comprehensive set of tools for observability, evaluation, and prompt management, making it a good choice to develop and improve AI applications in production. We receive incredible feedback from our users, and it motivates us to continue building the best product for the community.

We are incredibly thankful to work with such a large community of users that care deeply about Langfuse. We have grown from a few core users within Y Combinator to thousands of teams who use Langfuse in startups, tech companies, and enterprises. Your support and engagement helps drive the overall roadmap and success of Langfuse. Thank you for being a part of our journey as we work together to help everyone build better AI applications.

Looking for a popular, well-integrated and battle-tested OSS LLMOps stack that can easily be self-hosted and extended? Learn more about the LiteLLM x Langfuse integration at oss-llmops-stack.com.

Download Metrics

Langfuse is the most downloaded OSS LLMOps tool across Python, JS/TS, and Docker.

pypi downloadsnpm downloadsdocker pulls
🪢 LangfuseLangfuse pypi downloadsLangfuse npm downloadsLangfuse Docker Pulls + 4.7M (ghcr)
HeliconeHelicone pypi downloadsHelicone npm downloadsHelicone Docker Pulls
Opik / Cometopik pypi downloadsN/A115k (ghcr)
Phoenix / ArizePhoenix pypi downloadsN/APhoenix Docker Pulls
LunaryLunary pypi downloadsLunary npm downloadsN/A
OpenlitOpenlit pypi downloadsOpenlit npm downloads20k (ghcr)
LangtraceLangtrace pypi downloadsLangtrace npm downloadsLangtrace Docker Pulls

Numbers refresh automatically via shields.io

Community Engagement

Langfuse is the most starred open source LLMOps tool across GitHub and the fastest growing since its launch in June 2023.

Langfuse is the #1 most used open source LLMOps tool

source: star-history.com

We are proud to have the most engaged community in this space on GitHub besides our Discord server.

GitHub starsLast commitGitHub DiscussionsGitHub Issues
🪢 LangfuseLangfuse GitHub starsLangfuse last commitLangfuse GitHub DiscussionsLangfuse GitHub Issues
HeliconeHelicone GitHub starsHelicone last commitHelicone GitHub DiscussionsHelicone GitHub Issues
Opik / Cometopik GitHub starsopik last commitN/Aopik GitHub Issues
Phoenix / ArizePhoenix GitHub starsPhoenix last commitPhoenix GitHub DiscussionsPhoenix GitHub Issues
LunaryLunary GitHub starsLunary last commitLunary GitHub DiscussionsLunary GitHub Issues
OpenlitOpenlit GitHub starsOpenlit last commitOpenlit GitHub DiscussionsOpenlit GitHub Issues
LangtraceLangtrace GitHub starsLangtrace last commitLangtrace GitHub DiscussionsLangtrace GitHub Issues

Numbers refresh automatically via shields.io

Why chose Langfuse?

Large community: Langfuse has numerous actively maintained

integrations with the latest LLM frameworks (such as Langchain, LlamaIndex, and OpenAI) and a helpful community on Discord and GitHub. ### Battle-tested: Langfuse is used in production by thousands of users and has a proven track record of reliability and performance.

Read more on why other teams use Langfuse here.

Detailed Metrics

We want to be as transparent as possible for our customers, community, partners and potential future employees. That is why we aggregate the core metrics on this public dashoard.

Open source projects using Langfuse

While we see a lot of traction, we can monitor which open source projects actually use Langfuse. Find a list below:

Dependents stats for langfuse/langfuse-python

Generated by github-dependents-info Generated by github-dependents-info Generated by github-dependents-info Generated by github-dependents-info

RepositoryStars
avatar   langflow-ai / langflow116251
avatar   open-webui / open-webui109642
avatar   abi / screenshot-to-code70877
avatar   infiniflow / ragflow64118
avatar   run-llama / llama_index44203
avatar   QuivrHQ / quivr38415
avatar   microsoft / ai-agents-for-beginners38012
avatar   mindsdb / mindsdb35669
avatar   BerriAI / litellm28726
avatar   kortix-ai / suna17976
avatar   Canner / WrenAI11868
avatar   The-Pocket / PocketFlow8313
avatar   OpenPipe / ART7093
avatar   topoteretes / cognee7011
avatar   awslabs / agent-squad6785
avatar   BasedHardware / omi6231
avatar   hatchet-dev / hatchet6019
avatar   zenml-io / zenml4873
avatar   coleam00 / ottomator-agents4165
avatar   JoshuaC215 / agent-service-toolkit3557
avatar   bragai / bRAG-langchain3010
avatar   pingcap / autoflow2651
avatar   open-webui / pipelines2055
avatar   YFGaia / dify-plus1734
avatar   TheSpaghettiDetective / obico-server1687
avatar   MLSysOps / MLE-agent1387
avatar   TIGER-AI-Lab / TheoremExplainAgent1385
avatar   trailofbits / buttercup1223
avatar   wassim249 / fastapi-langgraph-agent-production-ready-template1200
avatar   dmayboroda / minima1010
avatar   zstar1003 / ragflow-plus993
avatar   dynamiq-ai / dynamiq927
avatar   opslane / opslane719
avatar   andysingal / llm-course643
avatar   theopenconversationkit / tock587
avatar   sentient-engineering / agent-q487
avatar   NicholasGoh / fastapi-mcp-langgraph-template481
avatar   phospho-app / text-analytics-legacy439
avatar   duoyang666 / ai_novel397
avatar   strands-agents / samples385
avatar   RobotecAI / rai373
avatar   aws-samples / aws-ai-ml-workshop-kr295
avatar   weizxfree / KnowFlow285
avatar   zenml-io / zenml-projects276
avatar   wxai-space / LightAgent275
avatar   sql-agi / DB-GPT241
avatar   guyernest / advanced-rag238
avatar   bklieger-groq / mathtutor-on-groq233
avatar   plastic-labs / honcho224
avatar   OVINC-CN / OpenWebUI202
avatar   zhutoutoutousan / worldquant-miner202
avatar   ai-shifu / ai-shifu181
avatar   aws-samples / sample-serverless-mcp-servers175
avatar   8090-inc / xrx-sample-apps163
avatar   deepset-ai / haystack-core-integrations163
avatar   XSpoonAi / spoon-core150
avatar   chatchat-space / LangGraph-Chatchat144
avatar   piyushgarg-dev / genai-cohort135
avatar   i-dot-ai / redbox132
avatar   bmd1905 / ChatOpsLLM127
avatar   Fintech-Dreamer / FinSynth121
avatar   kenshiro-o / nagato-ai119
avatar   AmineDjeghri / generative-ai-project-template106
avatar   zozoheir / tinyllm100
avatar   tuhinsharma121 / ai-playground97
avatar   pavanjava / bootstrap-rag91
avatar   hustyichi / dify-eval82
avatar   longevity-genie / just-agents75
avatar   MSNP1381 / kaggle-Agent70
avatar   TencentBlueKing / bk-monitor68
avatar   elenagalun / difygit67
avatar   veragloo / dify66
avatar   gnosis / prediction-market-agent65
avatar   aws-samples / genai-ml-platform-examples64
avatar   cab938 / jupyter_tool64
avatar   i-dot-ai / themefinder61
avatar   sib-swiss / sparql-llm60
avatar   kaymen99 / AI-Sales-agent59
avatar   denodo / denodo-ai-sdk57
avatar   jayita13 / GenerativeAI57
avatar   aws-samples / generative-ai-on-amazon-sagemaker56
avatar   Coding-Crashkurse / Udemy-Advanced-LangChain52
avatar   Shy2593666979 / AgentChat51
avatar   agentcoinorg / predictionprophet48
avatar   DTiapan / ai-agents-handbook47
avatar   opendatahub-io-contrib / workbench-images47
avatar   filopedraz / kosuke-core43
avatar   jakobap / graph2nosql42
avatar   betagouv / ComparIA41
avatar   gnosis / prediction-market-agent-tooling41
avatar   holunda-io / bpm-ai-connectors-camunda-841
avatar   valory-xyz / mech40
avatar   AIAtrium / mcp-assistant38
avatar   jakobap / graphrag-light38
avatar   michelle-avery / custom-conversation37
avatar   yaitec / langflow-streamlit37
avatar   it-at-m / mucgpt36
avatar   garyzava / chat-to-database-chatbot36
avatar   IDinsight / ask-a-question36
avatar   danifuya / ai-agents-tutorials35
avatar   stackitcloud / rag-template35
avatar   jayrinaldime / ollama-straico-apiproxy35
avatar   SSK-14 / WizSearch33
avatar   Renumics / lexio32
avatar   xyin-anl / Nodeology32
avatar   percent4 / llm_4_doc_qa31
avatar   wangxj03 / ai-cookbook31
avatar   Shekswess / ai-project-template31
avatar   GreyDGL / ShareGPTs31
avatar   auto-code-etri / autocode28
avatar   thomasnormal / fewshot28
avatar   pingcap / LinguFlow28
avatar   AnkushMalaker / friend-lite27
avatar   MoFox-Studio / MoFox_Bot27
avatar   dimagi / open-chat-studio27
avatar   minhbtrc / chatbot-template26
avatar   syzhy113 / Engineering-Code-Analysis26
avatar   bearlike / Personal-Assistant26
avatar   ThalesGroup / fred25
avatar   Stockelper-Lab / stockelper-llm25
avatar   sunblaze-ucb / verina25
avatar   Pseudo-Lab / JobPT25
avatar   Hyperspawn / Dropbear25
avatar   PersonaFlow / agentstack24
avatar   RRisto / learning23
avatar   Flopsky / OpenDeepWiki23
avatar   therohitshelar97 / SignLanguageDetectionDeepLearningProject23
avatar   mayflower / langchain_agents23
avatar   aws-samples / sample-getting-started-with-strands-agents-course22
avatar   Computer-use-agents / MacOS-Agent22
avatar   minorun365 / aws-level-checker22
avatar   aimclub / ProtoLLM22
avatar   blacksmithop / LLM-Graph-Builder22
avatar   cnoe-io / openapi-mcp-codegen20
avatar   bangoc123 / multi-agents-design-patterns20
avatar   aws-samples / open-source-bedrock-agent-evaluation20
avatar   PalisadeResearch / ctfish20
avatar   anatelgovbr / sei-ia20
avatar   LLM-Projects / haystack-book20
avatar   edenartlab / eve19
avatar   Ubheee / chainainexus-cloud19
avatar   SuperGalaxy0901 / Streamlit-OpenAI-Chatbot19
avatar   nthanhdo2610 / ai-log-analysis18
avatar   pshenok / minima-aws18
avatar   maxritter / aws-bedrock-multi-agent-blueprint18
avatar   Coding-Crashkurse / LangChain-in-Production-with-Langfuse18
avatar   sumukshashidhar / yourbench17
avatar   beaubeas / lung-cancer-detection17
avatar   Coding-Crashkurse / LangGraph-Visualizer17
avatar   Coding-Crashkurse / RAG-Evaluation-with-Ragas17
avatar   shreyashankar / spade-experiments17
avatar   ogabrielluiz / langflow-railway17
avatar   moodlehq / wiki-rag16
avatar   FosterFlow / fosterflow16
avatar   ldilab / ArchCode16
avatar   balajivis / modernaipro16
avatar   aws-samples / Cost_Effective_and_Scalable_Models_Inference_on_AWS_Graviton15
avatar   a-klos / langchain-ocr15
avatar   samitugal / KnowledgeGraphQA-Langgraph15
avatar   brylie / langflow-fastapi-htmx15
avatar   YeonwooSung / MLOps15
avatar   outskill-git / GenAIEngineering-Cohort114
avatar   aws-samples / sample-genai-on-eks-starter-kit14
avatar   AndreCNF / polids14
avatar   phitrann / arXivRAG14
avatar   diicellman / dynamite-dogs14
avatar   strickvl / hinbox13
avatar   shivaraj-bh / ollama-flake13
avatar   synth-laboratories / synth-ai12
avatar   tensorplex-labs / dojo12
avatar   ssc-dsai / canchat-v212
avatar   topoteretes / cognee-community12
avatar   Shekswess / small-language-model-rags-is-all-you-need12
avatar   PhiBrandon / offer-generator-lightrag12
avatar   dida-do / public12
avatar   aishe-ai / core12
avatar   jayeshmahapatra / rag-chatbot12
avatar   georgian-io / GAL12
avatar   GaiaNet-AI / gaia-cookbook11
avatar   aws-samples / sample-building-agentic-ai-applications-on-aws11
avatar   app-vitals / livekit-video11
avatar   AI3clauseBSD / claused-webai11
avatar   aimclub / FEDOT.LLM11
avatar   afontana1 / Data-Engineering11
avatar   c00cjz00 / llmservice_ip11
avatar   CdC-SI / ZAS-EAK-CopilotGPT11
avatar   zby / answerbot11
avatar   OpenProBono / openprobono11
avatar   binarybrain-009 / AUTOATTACKER11
avatar   himanshu-skid19 / Inter-IIT-12-Devrev-AI-Agent-00711
avatar   luwhano / fastapi-langgraph-agent-production-ready-template10
avatar   bklieger-groq / voice-stockbot10
avatar   ls1intum / Hephaestus10
avatar   CeS-3 / pwn.hust.college10
avatar   domik82 / aidevs310
avatar   totvs-ai / dta-samples10
avatar   kartik-nighania / dhs-workshop10
avatar   phoenix-legend7 / Open-WebUI10
avatar   milistu / LegaBot10

Generated using github-dependents-info, by Nicolas Vuillamy

Dependents stats for langfuse/langfuse-js

Generated by github-dependents-info Generated by github-dependents-info Generated by github-dependents-info Generated by github-dependents-info

RepositoryStars
avatar   lobehub / lobe-chat65454
avatar   firecrawl / firecrawl56713
avatar   FlowiseAI / Flowise43547
avatar   chatchat-space / Langchain-Chatchat36071
avatar   onlook-dev / onlook22447
avatar   NixOS / nixpkgs21748
avatar   anthropics / courses17057
avatar   mastra-ai / mastra16484
avatar   langfuse / langfuse16054
avatar   promptfoo / promptfoo8350
avatar   refly-ai / refly4654
avatar   colanode / colanode3517
avatar   VoltAgent / voltagent3210
avatar   pingcap / autoflow2651
avatar   sourcebot-dev / sourcebot2570
avatar   alishobeiri / thread1098
avatar   openops-cloud / openops939
avatar   ai-hero-dev / ai-hero916
avatar   xataio / agent857
avatar   plastic-labs / tutor-gpt845
avatar   trendy-design / llmchat829
avatar   hotovo / aider-desk781
avatar   wrtnlabs / autoview688
avatar   i-am-alice / 3rd-devs472
avatar   AIDotNet / koala-ai470
avatar   inferablehq / inferable403
avatar   FranciscoMoretti / sparka380
avatar   ElectricCodeGuy / SupabaseAuthWithSSR370
avatar   LibreChat-AI / librechat.ai339
avatar   souzatharsis / tamingLLMs323
avatar   Ozamatash / deep-research-mcp269
avatar   iceener / ai186
avatar   giselles-ai / giselle181
avatar   celerforge / freenote171
avatar   babelcloud / LLM-RGB164
avatar   codecentric / c4-genai-suite152
avatar   langfuse / langfuse-docs139
avatar   langfuse / mcp-server-langfuse133
avatar   mcp-use / mcp-use-ts125
avatar   awslabs / backstage-plugins-for-aws122
avatar   lucagrippa / obsidian-ai-tagger121
avatar   cofacts / rumors-api119
avatar   uiuc-kang-lab / cve-bench90
avatar   cofacts / rumors-site90
avatar   ChristophHandschuh / chatbot-ui85
avatar   Future-House / LAB-Bench83
avatar   langfuse / langfuse-js78
avatar   empirical-run / appwright76
avatar   Gerome-Elassaad / CodingIT73
avatar   chokiproai / ChatGPT-Plugins72
avatar   presidio-oss / specif-ai71
avatar   indexnetwork / index69
avatar   Davis-Media / weights-ai66
avatar   tokens-studio / graph-engine62
avatar   inf-monkeys / monkeys44
avatar   filopedraz / kosuke-core43
avatar   onesaitplatform / onesaitplatform-cloud29
avatar   wosherco / bashbuddy29
avatar   orsonteodoro / oiledmachine-overlay27
avatar   monad-developers / AI-Werewolf26
avatar   ntgussoni / clashofapps26
avatar   promptfoo / promptfoo-action25
avatar   microsoft / vscode-azureapicenter23
avatar   checkly / srebot22
avatar   minorun365 / aws-level-checker22
avatar   find-xposed-magisk / lobe-chat21
avatar   justUmen / Bjornulf_lobe-chat21
avatar   ErickWendel / monitoring-llms-langfuse-ollama19
avatar   Evobaso-J / ai-gitlab-code-review19
avatar   hankchiutw / copilot-proxy17
avatar   kalviumcommunity / compilerd17
avatar   tubone24 / a2a_mastra16
avatar   aws-samples / Cost_Effective_and_Scalable_Models_Inference_on_AWS_Graviton15
avatar   langfuse / ai-chatbot14
avatar   dmcquay / katas13
avatar   huanshenyi / nextjs-mastra13
avatar   clujhouse / a.place12
avatar   lainra / claude-code-telemetry11
avatar   the-answerai / theanswer11
avatar   programmerraja / CallAgent11
avatar   ColeMurray / swarmjs11
avatar   0xinhua / joychat10

Generated using github-dependents-info, by Nicolas Vuillamy

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Download MetricsCommunity EngagementWhy chose Langfuse?Large community: Langfuse has numerous actively maintainedDetailed MetricsOpen source projects using Langfuse
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